37 lines
1.1 KiB
Python
37 lines
1.1 KiB
Python
# test_mycielski.py - unit tests for the mycielski module
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#
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# Copyright 2010, 2011, 2012, 2013, 2014, 2015 NetworkX developers.
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#
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# This file is part of NetworkX.
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#
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# NetworkX is distributed under a BSD license; see LICENSE.txt for more
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# information.
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"""Unit tests for the :mod:`networkx.generators.mycielski` module."""
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import networkx as nx
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class TestMycielski(object):
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def test_construction(self):
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G = nx.path_graph(2)
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M = nx.mycielskian(G)
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assert nx.is_isomorphic(M, nx.cycle_graph(5))
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def test_size(self):
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G = nx.path_graph(2)
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M = nx.mycielskian(G, 2)
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assert len(M) == 11
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assert M.size() == 20
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def test_mycielski_graph_generator(self):
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G = nx.mycielski_graph(1)
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assert nx.is_isomorphic(G, nx.empty_graph(1))
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G = nx.mycielski_graph(2)
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assert nx.is_isomorphic(G, nx.path_graph(2))
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G = nx.mycielski_graph(3)
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assert nx.is_isomorphic(G, nx.cycle_graph(5))
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G = nx.mycielski_graph(4)
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assert nx.is_isomorphic(G, nx.mycielskian(nx.cycle_graph(5)))
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